onPress( )

Adds an event handler that runs when an element on a mobile app is pressed.

Description

A mobile element receives an event when a mobile app user presses on the element and releases.

function onPress(handler: EventHandler): MobileElement
handler: function EventHandler(event: Event): void

handler

The name of the function or the function expression to run when an element on a mobile app is pressed.

The mobile element to which the event handler was added.

Return Type:

event

The event that occurred.

This function does not return anything.

Return Type:

void

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Get the ID of the mobile button when the button is pressed

Copy Code

1$w('#mobileButton1').onPress( (event) => {
2  let targetId = event.target.id;  // 'mobileButton1'
3} );

Change the mobile button's label when the button is pressed

Copy Code

1$w('mobileButton1').onPress((event) => {
2  $w('#mobileButton1').label = 'Order Now';
3});